Best Alternatives to RS-03K1803FT

Package: 0603Guangdong Fenghua Advanced Technology Holding Co., Ltd.Specialized ResistorsResistance: 180kΩPower(Watts): 100mWTolerance: ±1%Temperature Coefficient: ±100ppm/℃

Finding a substitute for the RS-03K1803FT, a 180kΩ 1% 0.1W 0603 resistor, involves checking for alternatives with similar properties. Several parametric alternatives exist with slight variations in resistance that require engineering review.

AI replacement insight

Electrical riskmedium

Resistance value differs, requiring circuit analysis to ensure performance is not affected.

Package risklow

All candidates use the same 0603 package, ensuring physical compatibility.

Can it be replaced directly?

No direct drop-in replacement with the exact 180kΩ resistance was found. The closest options are parametric alternatives requiring engineering review.

Best replacement path

Use a parametric alternative like FRC0603F1823TS (182kΩ), which is the closest in value, after verifying circuit tolerance.

Main risk

The primary risk is the deviation in nominal resistance, which could impact circuit timing, biasing, or feedback loops.

Recommended alternatives

6
RS-03K1623FT package
RS-03K1623FT

FH (Guangdong Fenghua Advanced Tech)

Needs validationmedium risk

Parametric alternative with 162kΩ resistance. Package, power, and tolerance match.

View details

Alternative comparison matrix

Feature / factorRS-03K1803FTRS-03K1623FTFRC0603F1743TSFRC0603F1823TSCompatibility / risk
Resistance180kΩ162kΩ174kΩ182kΩ162kΩ / 174kΩ / 182kΩ / 196kΩ — Candidate resistance is 10% lower. Verify circuit tolerance.; FRC0603F1743TS: Candidate resistance is 3.3% lower. Verify circuit tolerance.; FRC0603F1823TS: Candidate resistance is 1.1% higher. Verify circuit tolerance.; FRC0603F1963TS: Candidate resistance is 8.9% higher. Verify circuit tolerance.
Package06030603060306030603 — matched; FRC0603F1743TS: matched; FRC0603F1823TS: Package size matches.; FRC0603F1963TS: matched
Power0.1W0.1W0.1W0.1W0.1W — matched; FRC0603F1743TS: matched; FRC0603F1823TS: matched; FRC0603F1963TS: matched
Tolerance±1%±1%±1%±1%±1% — matched; FRC0603F1743TS: matched; FRC0603F1823TS: matched; FRC0603F1963TS: matched
Tcr±100ppm/℃--±100 ppm/°C±100 ppm/°C — matched

Application & sourcing insights

Questions & answers

The best alternative is FRC0603F1823TS from FOJAN. It has the closest resistance value (182kΩ vs 180kΩ) and matches the package, power, and tolerance. However, you must verify if the +1.1% resistance difference is acceptable for your application.